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Java: Detect duplicates in ArrayList?
How could I go about detecting (returning true/false) whether an ArrayList contains more than one of the same element in Java?
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Best way to find if an item is in a JavaScript array? [duplicate]
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$.inArray(5 + 5, [ "8", "9", "10", 10 + "" ]);
For more information: http://api.jquery.com/jQuery.inArray/
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Sorting a tab delimited file
I have a data with the following format:
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Static method in a generic class?
In Java, I'd like to have something as:
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How to print (using cout) a number in binary form?
I'm following a college course about operating systems and we're learning how to convert from binary to hexadecimal, decimal to hexadecimal, etc. and today we just learned how signed/unsigned numbers are stored in memory using the two's complement (~number + 1).
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What's the best way to iterate an Android Cursor?
I frequently see code which involves iterating over the result of a database query, doing something with each row, and then moving on to the next row. Typical examples are as follows.
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Split delimited strings in a column and insert as new rows [duplicate]
...the unnest function from Hadley Wickham's tidyr package (see release notes http://blog.rstudio.org/2014/12/08/tidyr-0-2-0/)
> library(tidyr)
> library(dplyr)
> mydf
V1 V2
2 1 a,b,c
3 2 a,c
4 3 b,d
5 4 e,f
6 . .
> mydf %>%
mutate(V2 = strsplit(as.character(...
Application auto build versioning
... github.com/user/repo/config.Version=1.0.0" \
main.go
Inspired by https://github.com/golang/go/wiki/GcToolchainTricks#including-build-information-in-the-executable
Also if you are using goreleaser then read this https://goreleaser.com/environment/#using-the-mainversion :
Default wise GoRe...
How to remove trailing whitespaces with sed?
I have a simple shell script that removes trailing whitespace from a file. Is there any way to make this script more compact (without creating a temporary file)?
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Jackson - Deserialize using generic class
I have a json string, which I should deSerialize to the following class
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